Summing circuit for a filter
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United States of America Patent
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Dec 27, 2011
Grant Date -
Oct 28, 2010
app pub date -
Jul 8, 2010
filing date -
May 12, 2008
priority date (Note) -
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Abstract
According to one embodiment of the invention, a summing circuit comprises a first transmitter, a second transmitter, a first current offset circuit and a first transconductance amplifier. The first current offset circuit is coupled to the emitters of the first and second transistors. The first transconductance amplifier is coupled to the first current offset circuit.
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